Finding the Fourth Proportional to 3,115,442.70, 4,673,164.05 and 1,698,266.70
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Solution
The fourth proportional to 3,115,442.70, 4,673,164.05 and 1,698,266.70 is: 2,547,400.05
Step by Step Solution
- Step 1: Write the proportion equation
3,115,442.70 : 4,673,164.05 = 1,698,266.70 : x - Step 2: Convert to fraction form
3,115,442.70/4,673,164.05 = 1,698,266.70/x - Step 3: Cross multiply
3,115,442.70x = 4,673,164.05 × 1,698,266.70 - Step 4: Simplify right side
3,115,442.70x = 7,936,278,889,752.14 - Step 5: Solve for x
x = 7,936,278,889,752.14/3,115,442.70 - Step 6: Final answer
x = 2,547,400.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.